<template>
  <div class="login">
    <el-form
      ref="loginRef"
      :model="loginForm"
      :rules="loginRules"
      class="login- form"
    >
      <h3 class="title">python222 Django后台管理系统</h3>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          size="large"
          auto-complete="off"
          placeholder="账号"
        >
          <template #prefix>
            <svg-icon icon="user" />
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          size="large"
          auto-complete="off"
          placeholder="密码"
        >
          <template #prefix>
            <svg-icon icon="password" />
          </template>
        </el-input>
      </el-form-item>
      <img
        width="100px"
        height="50px"
        style="display: block"
        :src="imgCode"
        alt="验证码"
      />
      <el-input
        v-model="loginForm.ImageCaptcha"
        type="text"
        size="large"
        auto-complete="off"
        placeholder="验证码"
      >
        <template #prefix>
          <svg-icon icon="user" />
        </template>
      </el-input>
      <el-checkbox
        v-model="loginForm.rememberMe"
        style="margin: 0px 0px 25px 0px"
        >记住密码</el-checkbox
      >
      <el-form-item style="width: 100%">
        <el-button
          size="large"
          type="primary"
          style="width: 100%"
          @click.prevent="handleLogin"
        >
          <span>登 录</span>
        </el-button>
      </el-form-item>
    </el-form>
    <!-- 底部 -->
    <div class="el-login-footer">
      <span
        >Copyright © 2013-2025
        <a href="http://www.python222.com" target="_blank">python222.com</a>
        版权所有.</span
      >
    </div>
  </div>
</template>
<script>
import { onMounted, ref } from "vue";
import { login, ImageCode } from "@/api/user";
// import qs from 'qs'
import { ElMessage } from "element-plus";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/util/jsencrypt";
import { useRoute, useRouter } from "vue-router";
import store from "@/store";
import { uuid } from "vue-uuid";
import { modules } from "@/router/modules";
// import bcrypt from "bcryptjs";
import { fnAddDynamicMenuRoutes } from "@/util/dynamic-router";
export default {
  setup() {
    const loginForm = ref({
      username: "",
      password: "",
      rememberMe: false,
      ImageCaptcha: "",
      uuid: "",
    });
    const currentUser = ref("");
    const imgCode = ref("");
    const route = useRoute();
    const router = useRouter();
    const loginRules = {
      username: [
        { required: true, trigger: "blur", message: "请输入您的账号" },
      ],
      password: [
        { required: true, trigger: "blur", message: "请输入您的密码" },
      ],
    };
    const loginRef = ref(null);
    onMounted(() => {
      getCookie();
      getImageCode();
    });
    const handleLogin = () => {
      const that = this;
      //使用刚刚导入的包变量bcrypt注册一个盐，默认是10,12是最高安全级别【循环迭代次数】
      // var salt = bcrypt.genSaltSync(11);
      //对我们的data中的password变量进行加密覆盖，把字符串和盐放进去混合hash即可
      // this.password = bcrypt.hashSync(this.password, salt);

      loginRef.value.validate(async (valid) => {
        if (valid) {
          // const params = {
          //   username: loginForm.value.username || "",
          //   password: loginForm.value.password || "",
          //   ImageCaptcha: loginForm.value.ImageCaptcha || "",
          //   uuid: loginForm.value.uuid || "",
          // };
          let result = await login(loginForm.value);
          let data = result.data;
          if (data.status == 200) {
            ElMessage.success(data.info);
            currentUser.value = data.user;
            currentUser.value.roles = data.roles;

            localStorage.setItem("access_token", data.access_token);
            localStorage.setItem("refresh_token", data.refresh_token);
            sessionStorage.setItem(
              "userInfo",
              JSON.stringify(currentUser.value)
            );
            localStorage.setItem(
              "userId",
              JSON.stringify(currentUser.value.id)
            );
            sessionStorage.setItem("menuList", JSON.stringify(data.menuList));
            store.commit("RESET_MENU");
            store.commit("ADD_MENU", data.menuList);
            store.commit("SET_USER_INFO", currentUser.value);

            // Set-Cookie: sessionid=abc123; HttpOnly; Secure
            // router.push({ path: '/' })

            let newRoutes = fnAddDynamicMenuRoutes(data.menuList, modules);
            store.commit("SET_DYNAMICROUTES", newRoutes);
            // 循环添加每个路由
            newRoutes.forEach((route) => {
              router.addRoute("home", route);
            });
            // Cookies.set("sessionid", loginForm.value.sessionId, {
            //   expires: 30,
            // });
            const redirect = decodeURIComponent(route.query.redirect || "/"); // 获得路由携带的参数
            router.push({ path: redirect }); // 路由跳转

            // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码,保存30天
            if (loginForm.value.rememberMe) {
              Cookies.set("username", loginForm.value.username, {
                expires: 30,
              });
              Cookies.set("password", encrypt(loginForm.value.password), {
                expires: 30,
              });
              Cookies.set("rememberMe", loginForm.value.rememberMe, {
                expires: 30,
              });
              Cookies.set("uuid", loginForm.value.uuid, {
                expires: 30,
              });
              Cookies.set("userId", currentUser.value.id, {
                expires: 30,
              });
            } else {
              // 否则移除
              Cookies.remove("username");
              Cookies.remove("password");
              Cookies.remove("rememberMe");
              Cookies.remove("uuid");
              Cookies.remove("userId");
            }
            // window.sessionStorage.setItem("token", data.token)
          } else {
            ElMessage.error(data.info);
          }
        } else {
          console.log("验证失败");
        }
      });
    };

    function getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get("rememberMe");
      loginForm.value = {
        username: username === undefined ? loginForm.value.username : username,
        password:
          password === undefined ? loginForm.value.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
      };
    }

    async function getImageCode() {
      loginForm.value.uuid = uuid.v1();
      let result = await ImageCode(loginForm.value.uuid);
      if (result.status === 200) {
        imgCode.value = result.data;
      }
      console.log("验证码", result);
    }
    // 将方法暴露给模板
    return {
      loginRef,
      loginForm,
      loginRules,
      imgCode,
      handleLogin,
    };
  },
};
</script>
<style lang="scss" scoped>
a {
  color: white;
}

.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  // background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 40px;

    input {
      display: inline-block;
      height: 40px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 40px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>
